In "Invasion of the Bane", Maria moves in with her father Alan after the divorce from her mum Chrissie. Her parents seem to be on good terms, and her mother visits often. Sarah Jane lived opposite her and would often ignore her. However, Maria later helps Sarah Jane close down the Bubble Shock! factory which was secretly a facility of aliens known as the Bane who were aiming to destroy mankind and take over the Earth. She also helped a young boy whom the Bane had created escape from the Bane, who later became known as Luke Smith. Maria continued to participate in adventures with Sarah Jane, and then moved to America after her father was offered a new job.